你的阿尔法通道应该在粗略剪切出的图形里填充白色。
Your Alpha chanel should fill with white in the shape of your roughly cutout image.
按住并点击你的“图层1”。这将载入一个选区围绕你粗略剪切出来的整个图像。
Hold and click your "Layer 1." Thiswill load a selection around your entire roughly cut out image.
选好后，按，用“通过剪切的图层”来把你的粗略选区移到一个新的图层。
When your selection is done, press ()to move your roughselection to a new layer with “Layer Via Cut.
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